Distance from Lucknow to Patna

The straight-line (great-circle) distance between Lucknow and Patna is 441.2 kilometres, roughly 1 h 1 min by plane at 850 km/h. By road it is about 502 km via Purvanchal Expressway and NH922, which takes around 5 h 50 min of driving without stops. The map below shows both routes, and the calculator recomputes them for any other pair of places.

Straight line441.2 km
By road502 km
Driving time5 h 50 min
Flight time1 h 1 min

About this page

This page is for travellers planning a trip from Lucknow, Uttar Pradesh to Patna, Bihar. The straight-line distance comes from the haversine formula (great-circle distance). The road distance and driving time are the fastest car route on the OpenStreetMap road network, computed with OSRM; the actual time depends on traffic, stops and the highways you choose. Lucknow sits in Uttar Pradesh and Patna in Bihar, so the road route can pass through several states. Tap "Calculate distance" in the calculator to redraw the route live.

Frequently asked questions

What is the distance from Lucknow to Patna?
In a straight line it is 441.2 km. By road it is about 502 km, roughly 5 h 50 min of driving.
How long does it take to fly from Lucknow to Patna?
Roughly 1 h 1 min: the distance at a cruising speed of 850 km/h plus about 30 minutes for take-off and landing.
How long is the road route between Lucknow and Patna?
About 502 km on the fastest route via Purvanchal Expressway and NH922, which takes around 5 h 50 min by car. Tap "Calculate distance" in the calculator to see the route on the map.
Are Lucknow and Patna in the same state?
No — Lucknow is in Uttar Pradesh and Patna in Bihar.
How is the distance computed?
The straight-line distance uses the haversine (great-circle) formula, which gives the shortest distance between two points on Earth's spherical surface.